https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84532
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Mon Feb 26 17:09:34 2018 New Revision: 258004 URL: https://gcc.gnu.org/viewcvs?rev=258004&root=gcc&view=rev Log: PR libstdc++/84532 prevent unwrapping of reference_wrapper arguments Backport from mainline 2018-02-23 Jonathan Wakely <jwak...@redhat.com> PR libstdc++/84532 * include/std/thread (thread::__make_invoker): Construct tuple directly instead of using make_tuple. * testsuite/30_threads/async/84532.cc: New. * testsuite/30_threads/thread/84532.cc: New. Added: branches/gcc-7-branch/libstdc++-v3/testsuite/30_threads/async/84532.cc branches/gcc-7-branch/libstdc++-v3/testsuite/30_threads/thread/84532.cc Modified: branches/gcc-7-branch/libstdc++-v3/ChangeLog branches/gcc-7-branch/libstdc++-v3/include/std/thread